.d-block{
    display: block;
}
$primary: #d43c33;//
$colors: (
  primary: $primary,
  black: #000,
  grey: #999,
  grey-1: #666,
  grey-2: #c8c8c8,
  white: #fff
);
$font-sizes: (sm: 1,//单位是rem  15px (alt+z) px  to  rem
    md: 1.0833rem,
    lg: 1.1667rem,
    xl: 1.25rem);
$space-type: (p: padding, m: margin);
$space-sizes: (1: 0.25,
    2: 0.5,//6px
    3: 1,//12px
    4: 1.5,//18px
    5: 2,//24px
    6: 3);
$space-dir: (
    l: left,
    r: right,
    t: top,
    b: bottom
);
$ai-dir: (//默认Y轴 cloum
    start: flex-start,
    end: flex-end,
    center: center
);
$jc-dir: (//默认X轴 row
    center: center,
    between: space-between,
    around: space-around
);